An expansion parallax for PW VUL (Nova 1984)

Details An expansion parallax for PW VUL (Nova 1984) An expansion parallax for PW VUL (Nova 1984)

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996mnras.278..808r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 278, Issue 3, pp. 808-810.

Astronomy and Astrophysics

Astronomy

12

Line: Identification, Stars: Distances, Stars: Individual: Nova Vul 1984 No. 1, Stars: Individual: Pw Vul, Novae: Cataclysmic Variables

Scientific paper

We find an expansion parallax for the slow nova PW Vul (Nova Vul 1984 No. 1). A narrow-band Hα image shows that the diameter of the nova shell in 1993 was 1.1 arcsec. Shell components of the Hα emission line are identified, giving an expansion velocity of 470+/-60 km s^-1, a distance of 1.6+/-0.2 kpc, and an absolute magnitude at maximum of -6.3+/-0.3, typical for a slow nova.

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